Here's one you can make yourself, and it's much much healthier. I'm going to try using some rye flour and see how it turns out - like maybe just 1/3 rye flour (it has a smaller glycemic load and far more nutrition)
10 cups all-purpose flour
1/2 cup baking powder
2 tablespoons white sugar
2 teaspoons salt
1 1/4 cups vegetable oil
Combine flour, baking powder, sugar and salt in a mixing bowl. Add oil and mix with a fork or pastry blender; you should have small lumps throughout the mixture.
Store in an airtight container in a cool, dry place for up to three months.